diff options
Diffstat (limited to 'services/camera/libcameraservice/common/CameraModule.cpp')
| -rw-r--r-- | services/camera/libcameraservice/common/CameraModule.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/services/camera/libcameraservice/common/CameraModule.cpp b/services/camera/libcameraservice/common/CameraModule.cpp new file mode 100644 index 0000000..b861d71 --- /dev/null +++ b/services/camera/libcameraservice/common/CameraModule.cpp @@ -0,0 +1,169 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define LOG_TAG "CameraModule" +//#define LOG_NDEBUG 0 + +#include "CameraModule.h" + +namespace android { + +void CameraModule::deriveCameraCharacteristicsKeys( + uint32_t deviceVersion, CameraMetadata &chars) { + // HAL1 devices should not reach here + if (deviceVersion < CAMERA_DEVICE_API_VERSION_2_0) { + ALOGV("%s: Cannot derive keys for HAL version < 2.0"); + return; + } + + // Keys added in HAL3.3 + if (deviceVersion < CAMERA_DEVICE_API_VERSION_3_3) { + Vector<uint8_t> controlModes; + uint8_t data = ANDROID_CONTROL_AE_LOCK_AVAILABLE_TRUE; + chars.update(ANDROID_CONTROL_AE_LOCK_AVAILABLE, &data, /*count*/1); + data = ANDROID_CONTROL_AWB_LOCK_AVAILABLE_TRUE; + chars.update(ANDROID_CONTROL_AWB_LOCK_AVAILABLE, &data, /*count*/1); + controlModes.push(ANDROID_CONTROL_MODE_OFF); + controlModes.push(ANDROID_CONTROL_MODE_AUTO); + camera_metadata_entry entry = chars.find(ANDROID_CONTROL_AVAILABLE_SCENE_MODES); + if (entry.count > 1 || entry.data.u8[0] != ANDROID_CONTROL_SCENE_MODE_DISABLED) { + controlModes.push(ANDROID_CONTROL_MODE_USE_SCENE_MODE); + } + chars.update(ANDROID_CONTROL_AVAILABLE_MODES, controlModes); + } + return; +} + +CameraModule::CameraModule(camera_module_t *module) { + if (module == NULL) { + ALOGE("%s: camera hardware module must not be null", __FUNCTION__); + assert(0); + } + + mModule = module; + mCameraInfoMap.setCapacity(getNumberOfCameras()); +} + +int CameraModule::getCameraInfo(int cameraId, struct camera_info *info) { + Mutex::Autolock lock(mCameraInfoLock); + if (cameraId < 0) { + ALOGE("%s: Invalid camera ID %d", __FUNCTION__, cameraId); + return -EINVAL; + } + + // Only override static_camera_characteristics for API2 devices + int apiVersion = mModule->common.module_api_version; + if (apiVersion < CAMERA_MODULE_API_VERSION_2_0) { + return mModule->get_camera_info(cameraId, info); + } + + ssize_t index = mCameraInfoMap.indexOfKey(cameraId); + if (index == NAME_NOT_FOUND) { + // Get camera info from raw module and cache it + camera_info rawInfo, cameraInfo; + int ret = mModule->get_camera_info(cameraId, &rawInfo); + if (ret != 0) { + return ret; + } + int deviceVersion = cameraInfo.device_version; + if (deviceVersion < CAMERA_DEVICE_API_VERSION_2_0) { + // static_camera_characteristics is invalid + *info = rawInfo; + return ret; + } + CameraMetadata m; + m = rawInfo.static_camera_characteristics; + deriveCameraCharacteristicsKeys(rawInfo.device_version, m); + mCameraCharacteristicsMap.add(cameraId, m); + cameraInfo = rawInfo; + cameraInfo.static_camera_characteristics = + mCameraCharacteristicsMap.valueFor(cameraId).getAndLock(); + mCameraInfoMap.add(cameraId, cameraInfo); + index = mCameraInfoMap.indexOfKey(cameraId); + } + + assert(index != NAME_NOT_FOUND); + // return the cached camera info + *info = mCameraInfoMap[index]; + return 0; +} + +int CameraModule::open(const char* id, struct hw_device_t** device) { + return filterOpenErrorCode(mModule->common.methods->open(&mModule->common, id, device)); +} + +int CameraModule::openLegacy( + const char* id, uint32_t halVersion, struct hw_device_t** device) { + return mModule->open_legacy(&mModule->common, id, halVersion, device); +} + +int CameraModule::getNumberOfCameras() { + return mModule->get_number_of_cameras(); +} + +int CameraModule::setCallbacks(const camera_module_callbacks_t *callbacks) { + return mModule->set_callbacks(callbacks); +} + +bool CameraModule::isVendorTagDefined() { + return mModule->get_vendor_tag_ops != NULL; +} + +void CameraModule::getVendorTagOps(vendor_tag_ops_t* ops) { + if (mModule->get_vendor_tag_ops) { + mModule->get_vendor_tag_ops(ops); + } +} + +int CameraModule::setTorchMode(const char* camera_id, bool enable) { + return mModule->set_torch_mode(camera_id, enable); +} + +status_t CameraModule::filterOpenErrorCode(status_t err) { + switch(err) { + case NO_ERROR: + case -EBUSY: + case -EINVAL: + case -EUSERS: + return err; + default: + break; + } + return -ENODEV; +} + +uint16_t CameraModule::getModuleApiVersion() { + return mModule->common.module_api_version; +} + +const char* CameraModule::getModuleName() { + return mModule->common.name; +} + +uint16_t CameraModule::getHalApiVersion() { + return mModule->common.hal_api_version; +} + +const char* CameraModule::getModuleAuthor() { + return mModule->common.author; +} + +void* CameraModule::getDso() { + return mModule->common.dso; +} + +}; // namespace android + |